This advisory documents the remediation of one important issue: Horizon 6, 7, and Horizon Client for Windows contain an out-of-bounds read vulnerability in the Message Framework library. Successfully exploiting this issue may allow a less-privileged user to leak information from a privileged process running on a system where Horizon Connection Server, Horizon Agent or Horizon Client are installed.

This advisory documents the remediation of one important issue: VMware Horizon Client contains a local privilege escalation vulnerability due to insecure usage of SUID binary. Successful exploitation of this issue may allow unprivileged users to escalate their privileges to root on a Linux machine where Horizon Client is installed.

The Common Vulnerabilities and Exposures project has assigned the identifier CVE-2018-6964 to VMSA-2018-0014 issue.

All 4.x and prior versions of Horizon Client are affected by this vulnerability. VMware recommends update to version 4.8.0 (released 29 May 2018).